Home / 10,503.47-15,759.84-5,571.90

Finding the Fourth Proportional to 10,503.47, 15,759.84 and 5,571.90

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Solution

The fourth proportional to 10,503.47, 15,759.84 and 5,571.90 is: 8,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.47 : 15,759.84 = 5,571.90 : x
  2. Step 2: Convert to fraction form
    10,503.47/15,759.84 = 5,571.90/x
  3. Step 3: Cross multiply
    10,503.47x = 15,759.84 × 5,571.90
  4. Step 4: Simplify right side
    10,503.47x = 87,812,332.49
  5. Step 5: Solve for x
    x = 87,812,332.49/10,503.47
  6. Step 6: Final answer
    x = 8,360.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.